Run the following to generate the Datapack
python3 generate-countdown-functions.py
python3 generate-fireworks-functions.py
python3 generate-stands-functions.py
Or download it at the releases page
Copy it over to the world folder
rsync -ap fireworks2023 host:MinecraftFolder/world/datapacks/
Or
rsync -ap fireworks2023.zip host:MinecraftFolder/world/datapacks/
Run the following command to start the countdown
/function fireworks2023:countdown-10s
Run the following command to start the fireworks
/function fireworks2023:mai